Message:
I found Irena's mother in the source, Register List of Survivors. It says that her prewar residence was Matthausen, as was Irena's. Therefore, perhaps Irena and her mother survived together. Unfortunately, Irena's father, Lazarz, could not be found in the Survivor database, so it is possible that he did not survive. We also don't know if he made it out of the ghetto because Lazarz is not listed in the Auschwitz records. However, being able to piece together half of the family is still very meaningful.
